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Boom Racing Rock Monster Silicone Tire Insert

Boom Racing Rock Monster 1.9″ Silicone Scale Crawler Tire Inserts

Boom Racing has introduced a new, unique take on crawler tire inserts with one of their latest products; the Rock Monster RED Silicone 1.9″ Crawler Tire Insert. This insert uses a honeycomb pattern and silicone material (versus foam) to give your R/C crawler tires the most support possible, both on the trail and on the shelf.

Designed for narrow tire and wheel applications, these silicone tire inserts measure 3.5″/90mm on the outside with a .84″/21mm width. In fact, if you’re running Boom Racing’s 1.9″ Mileage Classic or 1.9″ SP Road Tracker tires, these inserts will be a perfect fit.

Along with support benefits, these crawler tire inserts won’t break down or rot, so you can run them through as much water as your rig can handle. If your latest trail truck build calls for an ultra-scale tire and has a heavier body and chassis, these look like a great option to consider.

Priced at $22.00 per pair, you can purchase Boom Racing’s Rock Monster RED Silicone Tire Inserts online at

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Posted by in New Products on Tuesday, February 23rd, 2021 at 10:16 am